How Does Microsoft Office 365 Encryption Work? Azure Information Protection Plan

 
With our Business Premium Security Office 365 plan, you and your organization will benefit from Microsoft's Azure Information Protection Plan.  This encrypts all data from the sender to the receiver.  All messages from O365 to O365 are encrypted.  When sending outside of O365, there is a separate flow.  The diagram indicating the flow of mail to someone who is outside the Office 365 system is below.
 
 
 

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